MPEP Section 714.01(a), Unsigned or Improperly Signed Amendment
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714.01(a) Unsigned or Improperly Signed Amendment [R-3]
37 CFR 1.33 Correspondence respecting patent applications, reexamination proceedings, and other proceedings.
(b) Amendments and other papers. Amendments and other papers, except for written assertions pursuant to § 1.27(c)(2)(ii) of this part, filed in the application must be signed by:
(1) A registered patent attorney or patent agent of record appointed in compliance with § 1.32(b);
(2) A registered attorney or agent not of record who acts in a representative capacity under the provisions of § 1.34;<
(3) An assignee as provided for under § 3.71(b) of this chapter; or
An unsigned amendment or one not properly signed by a person having authority to prosecute the application is not entered. This applies, for instance, where the amendment is signed by only one of two applicants and the one signing has not been given a power of attorney by the other applicant.
When an unsigned or improperly signed amendment is received the amendment will be listed in the contents of the application file, but not entered. The examiner will notify applicant of the status of the application, advising him or her to furnish a duplicate amendment properly signed or to ratify the amendment already filed. In an application not under final rejection, applicant should be given a 1-month time period in which to ratify the previously filed amendment ( 37 CFR 1.135(c)).
Applicants may be advised of unsigned amendments by use of form paragraph 7.84.01.
¶ 7.84.01 Paper Is Unsigned
The proposed reply filed on  has not been entered because it is unsigned. Since the above-mentioned reply appears to be bona fide, applicant is given a TIME PERIOD of ONE (1) MONTH or THIRTY (30) DAYS from the mailing date of this notice, whichever is longer, within which to supply the omission or correction in order to avoid abandonment. EXTENSIONS OF THIS TIME PERIOD MAY BE GRANTED UNDER 37 CFR 1.136(a).
Sometimes problems arising from unsigned or improperly signed amendments may be disposed of by calling in the local representative of the attorney or agent of record, since he or she may have the authority to sign the amendment.
An amendment signed by a person whose name is known to have been removed from the registers of attorneys and agents under the provisions of 37 CFR 10.11 is not entered. The file and unentered amendment are submitted to the Office of Enrollment and Discipline for appropriate action.